| article html file updated | 6 February 2020 12:57 CET | Update | https://www.mdpi.com/1999-4915/6/10/3875 |
| article html file updated | 7 May 2019 06:52 CEST | Update | - |
| article html file updated | 22 March 2019 02:57 CET | Update | - |
| article html file updated | 20 August 2015 23:43 CEST | Update | - |
| article html file updated | 30 October 2014 08:37 CET | Original file | - |
| article xml file uploaded | 30 October 2014 08:37 CET | Original file | https://www.mdpi.com/1999-4915/6/10/3875/xml |
| article pdf uploaded. | 20 October 2014 12:29 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/10/3875/pdf |
